body {
    font-family: Arial, sans-serif;
}
header {
    background-color: #f2f2f2;
    padding: 10px;
    text-align: center;
}

nav ul {
    list-style-type: none;
    display: flex;
}
nav li {
    margin-right: 10px;
}
.sidebar {
    float: left;
    padding: 15px;
    background-color: #f2f2f2;
    height: 80%;
    margin-top: 5px;
    margin-bottom: 5px;
    width: 150px;
}
.sidebar a {
    display: block;
    padding: 10px;
    color: #000;
    font-family: 宋体;
    font-size: 20px;

}
.content {
    width: 80%;
    float: right;
    padding: 10px;
}
a {
    display: flex;
    flex-direction: column;
}
#logo {
    width: 111px;
    height: 111px;
    margin-right: 10px;
    border-radius: 50%;

}


#search{

    width: 720px;
    height: 60px;
    font-size: 20px;
    margin-top: 0;

}
#submit{

    width: 135px;
    height: 65px;
    background-color: #58af7f;
    color: white;
    font-size: 20px;
    margin-top: 0;
}
#Login1{
    width: 100px;
    height: 45px;
    font-size: 23px;
    color: #000000;
    margin-left: 1300px;

}
#box1{
    width: 100%;
    height: 100%;
}
#box2{
    margin-left: 0;
    margin-right: 0;
    width: 150%;
    height: 150%;

    align-items: center;
    background-color: #2e9966;
}
ul li a{
    font-size: 26px;

    color: #FFFFFF;
    margin-right: 60px;
    margin-top: 10px;
    margin-bottom: 12px;
}